Math, asked by karthik9918, 1 year ago

prove that cosA/1-tanA+sinA/1-cotA=sinA+cosA

Answers

Answered by Shivanshu47
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Prove that cosA / (1 - tanA) + sinA / (1 - cotA) = sinA + cosA?
3 answers · Mathematics

Best Answer
LHS
cos A/(1 - sin A/cos A) + sin A/(1 - cos A/sin A)
cos²A/ (cos A - sin A) + sin²A / (sin A - cos A)
cos²A/ (cos A - sin A) - sin²A / (cos A - sin A)
(cos ² A - sin ² A) / (cos A - sin A)
(cos A - sin A)(cos A + sin A) / (cos A - sin A)
cos A + sin A

RHS
cos A + sin A

LHS = RHS..?


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